參數(shù)資料
型號: LM81CIMTX-3
英文描述: Single-Ended Data Acquisition System
中文描述: 單端數(shù)據(jù)采集系統(tǒng)
文件頁數(shù): 17/33頁
文件大?。?/td> 414K
代理商: LM81CIMTX-3
Functional Description
(Continued)
Counts are based on 2 pulses per revolution tachometer outputs.
RPM
Time per Revolution
Counts for “Divide by 2”
(Default) in Decimal
153 counts
219 counts
255 counts
(maximum counts)
Comments
4400
3080
2640
13.64 ms
19.48 ms
22.73 ms
Typical RPM
70% RPM
60% RPM
Mode Select
Nominal
RPM
Time per Revolution
Counts for the
70%
RPM
Time per Revolution
Given Speed in Decimal
153
153
153
153
for 70% RPM
9.74 ms
19.48 ms
38.96 ms
77.92 ms
Divide by 1
Divide by 2
Divide by 4
Divide by 8
8800
4400
2200
1100
6.82 ms
13.64 ms
27.27 ms
54.54 ms
6160
3080
1540
770
DS100072-12
(a) Fan with Tach Pull-Up to +5V
DS100072-13
(b) Fan with Tach Pull-Up to +12V, or Totem-Pole
Output and Resistor Attenuator
DS100072-14
(c) Fan with Tach Pull-Up to +12V and Diode Clamp
DS100072-15
(d) Fan with Strong Tach Pull-Up or Totem Pole Output
and Diode Clamp
FIGURE 7. Alternatives for Fan Inputs
L
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17
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